He gasped. Despite his haste, his panic, his fear of what awaited him back in the bathroom, he could not help but be overawed by what he was looking at. He was standing in a room the size of a large cathedral, whose high windows were sending shafts of light down upon what looked like a city with towering walls, built of what Harry knew must be objects hidden by generations of Hogwarts inhabitants. There were alleyways and roads bordered by tetering piles of broken and damaged furniture, stowed away, perhaps, to hide the evidence of mishandled magic, or else hidden by castle-proud house-elves. There were thousands and thousands of books, no doubt banned or graffitied or stolen. There were winged catapults and Fanged Frisbees, some still with enough life in them to hover half-heartedly over the mountains of other forbidden items; there were chipped bottles of congealed potions, hats, jewels, cloaks; there were what looked like dragon eggshells, corked bottles whose contents still shimmered evilly, several rusti